#include <bits/stdc++.h>
using namespace std;
const int M = 1e6 + 3, N = 1e6 + 10;
int a[N], ch[N], fa[N], dp[N] = {0};
int find (int x) {
return fa[x] == x ? x : fa[x] = find (fa[x]);
}
void add (int &x, int y) {
x += y;
if (x >= M) x -= M;
if (x < 0) x += M;
}
void merge (int i, int j) {
i = find(i), j = find(j);
if (i == j) return;
fa[i] = j;
if (ch[i] == 3 or ch[j] == 3) ch[j] = min(ch[i], ch[j]);
else if (ch[i] != ch[j]) {
cout << "0\n";
exit(0);
}
}
void f(int i, int val) {
i = find(i);
if (ch[i] == 3) ch[i] = val;
else if (ch[i] != val) {
cout << "0\n";
exit(0);
}
}
int main () {
int n, k;
cin >> n >> k;
for (int i = 1; i <= n; i++) fa[i] = i, ch[i] = 3;
for (int i = 1; i + k - 1 <= n; i++) cin >> a[i];
for (int i = 2; i + k - 1 <= n; i++) {
int dif = a[i] - a[i - 1];
if (dif == 0) merge(i - 1, i + k - 1);
else if (dif == 1) f(i + k - 1, 1), f(i - 1, 0);
else f(i + k - 1, 0), f(i - 1, 1);
}
int left = a[1];
map <int,int> mp;
// for (int i = 1; i <= n; i++) cout << find(i) << ' '; cout << '\n';
// for (int i = 1; i <= n; i++) cout << ch[find(i)] << ' '; cout << '\n';
for (int i = 1; i <= k; i++) {
if (ch[find(i)] == 3) mp[find(i)]++;
else if (ch[find(i)] == 1) {
left--;
}
}
dp[0] = 1;
for (auto [x, y] : mp) {
for (int i = left; i >= y; i--) add(dp[i], dp[i - y]);
}
cout << dp[left] << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6488 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6488 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
2 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6488 KB |
Output is correct |
25 |
Correct |
1 ms |
6492 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
2 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6560 KB |
Output is correct |
30 |
Correct |
1 ms |
6492 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6488 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
2 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6488 KB |
Output is correct |
25 |
Correct |
1 ms |
6492 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
2 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6560 KB |
Output is correct |
30 |
Correct |
1 ms |
6492 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
35 |
Correct |
115 ms |
14932 KB |
Output is correct |
36 |
Correct |
129 ms |
15932 KB |
Output is correct |
37 |
Correct |
140 ms |
16084 KB |
Output is correct |
38 |
Correct |
136 ms |
16408 KB |
Output is correct |
39 |
Correct |
117 ms |
15708 KB |
Output is correct |
40 |
Correct |
140 ms |
16216 KB |
Output is correct |
41 |
Correct |
135 ms |
16212 KB |
Output is correct |
42 |
Correct |
116 ms |
16016 KB |
Output is correct |
43 |
Correct |
114 ms |
15644 KB |
Output is correct |
44 |
Correct |
119 ms |
26708 KB |
Output is correct |
45 |
Correct |
115 ms |
14928 KB |
Output is correct |
46 |
Correct |
124 ms |
26664 KB |
Output is correct |
47 |
Correct |
117 ms |
20816 KB |
Output is correct |
48 |
Correct |
138 ms |
16224 KB |
Output is correct |
49 |
Correct |
135 ms |
16204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6488 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
2 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6488 KB |
Output is correct |
25 |
Correct |
1 ms |
6492 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
2 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6560 KB |
Output is correct |
30 |
Correct |
1 ms |
6492 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
35 |
Correct |
115 ms |
14932 KB |
Output is correct |
36 |
Correct |
129 ms |
15932 KB |
Output is correct |
37 |
Correct |
140 ms |
16084 KB |
Output is correct |
38 |
Correct |
136 ms |
16408 KB |
Output is correct |
39 |
Correct |
117 ms |
15708 KB |
Output is correct |
40 |
Correct |
140 ms |
16216 KB |
Output is correct |
41 |
Correct |
135 ms |
16212 KB |
Output is correct |
42 |
Correct |
116 ms |
16016 KB |
Output is correct |
43 |
Correct |
114 ms |
15644 KB |
Output is correct |
44 |
Correct |
119 ms |
26708 KB |
Output is correct |
45 |
Correct |
115 ms |
14928 KB |
Output is correct |
46 |
Correct |
124 ms |
26664 KB |
Output is correct |
47 |
Correct |
117 ms |
20816 KB |
Output is correct |
48 |
Correct |
138 ms |
16224 KB |
Output is correct |
49 |
Correct |
135 ms |
16204 KB |
Output is correct |
50 |
Correct |
200 ms |
16676 KB |
Output is correct |
51 |
Correct |
207 ms |
16724 KB |
Output is correct |
52 |
Correct |
196 ms |
16724 KB |
Output is correct |
53 |
Correct |
192 ms |
16572 KB |
Output is correct |
54 |
Correct |
207 ms |
16764 KB |
Output is correct |
55 |
Correct |
204 ms |
16632 KB |
Output is correct |
56 |
Correct |
200 ms |
16772 KB |
Output is correct |
57 |
Correct |
157 ms |
16180 KB |
Output is correct |
58 |
Correct |
206 ms |
16660 KB |
Output is correct |
59 |
Correct |
197 ms |
16556 KB |
Output is correct |
60 |
Correct |
164 ms |
16400 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6488 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
2 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6488 KB |
Output is correct |
25 |
Correct |
1 ms |
6492 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
2 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6560 KB |
Output is correct |
30 |
Correct |
1 ms |
6492 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
35 |
Correct |
115 ms |
14932 KB |
Output is correct |
36 |
Correct |
129 ms |
15932 KB |
Output is correct |
37 |
Correct |
140 ms |
16084 KB |
Output is correct |
38 |
Correct |
136 ms |
16408 KB |
Output is correct |
39 |
Correct |
117 ms |
15708 KB |
Output is correct |
40 |
Correct |
140 ms |
16216 KB |
Output is correct |
41 |
Correct |
135 ms |
16212 KB |
Output is correct |
42 |
Correct |
116 ms |
16016 KB |
Output is correct |
43 |
Correct |
114 ms |
15644 KB |
Output is correct |
44 |
Correct |
119 ms |
26708 KB |
Output is correct |
45 |
Correct |
115 ms |
14928 KB |
Output is correct |
46 |
Correct |
124 ms |
26664 KB |
Output is correct |
47 |
Correct |
117 ms |
20816 KB |
Output is correct |
48 |
Correct |
138 ms |
16224 KB |
Output is correct |
49 |
Correct |
135 ms |
16204 KB |
Output is correct |
50 |
Correct |
200 ms |
16676 KB |
Output is correct |
51 |
Correct |
207 ms |
16724 KB |
Output is correct |
52 |
Correct |
196 ms |
16724 KB |
Output is correct |
53 |
Correct |
192 ms |
16572 KB |
Output is correct |
54 |
Correct |
207 ms |
16764 KB |
Output is correct |
55 |
Correct |
204 ms |
16632 KB |
Output is correct |
56 |
Correct |
200 ms |
16772 KB |
Output is correct |
57 |
Correct |
157 ms |
16180 KB |
Output is correct |
58 |
Correct |
206 ms |
16660 KB |
Output is correct |
59 |
Correct |
197 ms |
16556 KB |
Output is correct |
60 |
Correct |
164 ms |
16400 KB |
Output is correct |
61 |
Execution timed out |
1055 ms |
59472 KB |
Time limit exceeded |
62 |
Halted |
0 ms |
0 KB |
- |